DESCRIPTIONS OF NEW SPECIES. 



on the thorax, but become longer on the elytra, and are numer- 

 ous at the sides ; on the abdomen, which is about as long as the 

 elytra, the hairs are long, and tolerably thickly distributed ; the 

 two anal processes are stout and conical, and about one-half the 

 length of the abdomen ; the base of the antennae, and the feet 

 are pale yellow. 



COPROPORIJS KKAATZ. 



102. C. grossulus. Latiusculus, parum convexus, niger nitidus, 

 thorace obsolete, elytris parce punctulatis, his versus marginem longi- 

 tudinaliter impressis, abdomine supra et subtus subtiliter punctate ; 

 antennarum basi pedibusque piceo-testaceis. Long. -17. 



Arizona ; in trunks of Cereus giganteus. Much larger and 

 less convex than our other species ; the mesosternum is very 

 strongly carinate ; the antennae are black with the exception of 

 the three or four basal joints, which are dark testaceous. The 

 sides of the abdomen are provided with a few long bristles. 



103. C. punctipennis. Convexus, niger nitidus, thorace obsolete 

 punctulato, lateribus diaphanis, elytris sat dense punctulatis, ad latera 

 longitudinaliter impressis, margine apicali piceo, abdoinine vix punctu- 

 lato, segmentis singulis piceo-marginatis ; antennis pedibusque fusco- 

 testaceis. Long. '09. 



Fort Yuma, California ; Of the same size and shape as C. ven- 

 triculus, but the elytra are more densely punctulate, and the 

 apical margin as well as the segments of the abdomen are tinged 

 with pale piceous. 



104. C. laeTis. Convexus, niger nitidns, thorace laevissimo, lateribns 

 diaphanis, elytris obsolete punctulato-rugosis, versus marginem medio 

 impressis, margine apicali abdomineque piceis, hoc vix parce punctula- 

 to, antennis pedibusque piceis, illis basi oreque testaceis. Long. -09. 



Southern States ; common. Of the same size and shape as 

 C. ventriculus, but easily distinguished by the almost impercep- 

 tible punctures of the elytra. 



BOLETOBIUS LEACH. 



1O5. It. gen tills. Capite latitudine duplo longiore nigro, ore flavo, 



thorace latitudine haud breviore rufo-flavo, elytris nigris, limbo basali 



latiore, apicalique angusto rufo-flavis, seriebus punctornm solitis vix 



conspicuis, abdomine rufo-flavo, segmentis ultimis supra et subtus ni- 



3 



